Donald Trump has backed down on his threat to stop nations from supplying oil to the struggling island of Cuba. The president ...

The Mexican tetra lives in freshwater streams and pools from Mexico up into the southern United States. But these fish also live in cave systems in at least 29 separate places in Mexico, where they ...

From mammoths to giant tortoises, a Texas cave discovery is giving scientists a new look at life during the Ice Age.

Taking a sunrise hot air balloon ride alongside the hundreds of other balloons over the ancient Teotihuacan Pyramids is a ...

Filmmaker David Kew went to Papa Westray to visit a friend and ended up making a film about his disappearance.

Willa Cather’s reader, like her characters, must keep an ear out for the whisper, an eye out for the sign and a ...

The Coronado National Memorial itself is worth exploring beyond just the cave. The memorial covers nearly 5,000 acres of ...

This sun-soaked border city is becoming Texas’s best-kept secret for people who’d like to keep some money in their bank ...

Vietnam's Son Doong, the world's largest cave passage, started its life millions of years ago as a crack the width of a piece ...

The groundwater flowing through the subterranean cave systems of central Texas are vital for both farming and daily life.

A hidden cave in Texas has revealed a massive collection of Ice Age fossils, offering new clues about ancient climates and ecosystems.

Within an unexplored cave in Central Texas, scientists have made an ancient discovery never previously documented in the ...